bugfix: fix hpa/pdb deletion issue

[zirain]

follow up: #6337

fix issues when debuging #6393:

• add e2e for custom HPA/PDB name.
• fix labels on HPA/PDB which cause deletePDB/HPA not working.

[codecov]

Codecov Report

Attention: Patch coverage is 65.85366% with 14 lines in your changes missing coverage. Please review.

Project coverage is 70.81%. Comparing base (6f42531) to head (314ff5b).
Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
...ternal/infrastructure/kubernetes/infra_resource.go	63.15%	10 Missing and 4 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6395      +/-   ##
==========================================
+ Coverage   70.80%   70.81%   +0.01%     
==========================================
  Files         220      220              
  Lines       37132    37157      +25     
==========================================
+ Hits        26291    26314      +23     
+ Misses       9300     9297       -3     
- Partials     1541     1546       +5     

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[Xunzhuo]

/retest

[arkodg]

LGTM thanks !